depends what type it is
Yes.
yes but replace half the water every 2 days
Provided you have followed the basic rule of "1 inch of fish needs a minimum of 1 gallon of water" (so a Betta needs at least 3 gallons of water) and the tank has a cycled filter. (to remove deadly Ammonia and Nitrite). The fish will be perfectly OK going without food for 3 days.
Feed your betta fish cooked & de-shelled peas for 2 days instead of his/her regular food
One.
Snail do not need company so the death of the fish will not affect it in any way other than to leave more oxygen available for the snail. It will be perfectly OK for several weeks provided the water does not go bad.
Just leave it. If you really want to remove it you can, but it's just a sign of a healthy betta.
Feed him? if he refuses to eat them he's sick, but they can live for seeral days without food.
It's hard to tell without a lot of details, but maybe you are feeding her too much... :( You are probably overfeeding her. Try not feeding her for a few days- but don't worry bettas can survive without food for a whole week.
no. but if you have a unhealthy b
That would depend on the type of fish.Goldfish just lay their eggs and leave but when in a tank they will eat their eggs.Male betta fish care for their babys 24/7 for about three days and many marine fish guard their eggs.
Yes betta fish do have bones like most other fish.Yes. All beta fish have bones. Unless it was born without them then it would just be a fishy blob.